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| large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |
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| Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |
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| colored datolite, a borosilicate (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |
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| February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered from Lake...fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS mens of ...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...starting with Keweenaw Point and continuing in a southwestern direction to the White Pine mine at the southern |
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| MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com.......................3 by W. E. Wilson The Keweenaw County Fissure Mines.......................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan................................... Stefano & P. Persson The Central Mine, Keweenaw County, Michigan................................... |
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| News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3—Recent...years have passed since the last “News from the Keweenaw”; this article updates new finds to the spring...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...year. During the last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction...construction in the Keweenaw. However, extensive logging operations, primarily in Keweenaw County, have increased |
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| COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...crystallized copper specimen came from the Central mine and was in the collection of Donald C. Gabriel....exploration 2. Cliff mine 3. Phoenix group of mines 4. Central mine 5. Northwestern mine 6. Central exploration...Resolute mine 9. Hard Rock fissure 10. Iron City (Empire) mine 11. Cape mine 12. Copper Falls mine 13. Clark...Clark mine 14. Point prospect 15. Mendota mine 16. Gull Rock fissure and Laker pocket Figure 3. A 1900 |
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| 81427 THE CLIFF MINE, discovered in 1844, is located on the Keweenaw Peninsula of Upper Michigan in the...turned the Cliff into a successful mining operation and made it the first mine on the "Keweenaw" to pay...dividends to stockholders. Throughout its history, the mine also produced spectacular specimens of crystallized...over. N ative copper was first mined on the Keweenaw Peninsula several thousand years ago by Native...controlled three mineral tracts on the northern part of Keweenaw Peninsula. After examining the copper prospect |
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| recovered from a large vug in the fissure vein of the Cliff mine; the largest crystal is 2 cm across. The specimen...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...Jaszczak photo. Figure 18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy...lava on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...some of the veins (Butler and Burbank 1929). Cliff Mine After the failed 1844 mining venture at the Hays |
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| ...............................................South East.... . 9 .......................................................................... Copper County Mineral Retreat Christine Chritchley 41 .........each day Possible sites include: Great Orme Copper Mine (entrance fee) Alderley Edge Mines (insurance fee)...CHARLTON, Ms S CAMPBELL, Ms T CAMPBELL Ms L BRIDGETT South West: Miss M PALMER, Mr AP PALMER, Mr L PALMER...Newsletter Issue 49 - September 2006 Branch reports South East Branch Attendance at our monthly lecture meetings |
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| Mendips, selenite from the Mountfield mine, Sussex; a calcite from South Wales which unusually fluoresces...level 5 in ·the Tsumeb mine, Namibia and three beautiful fluorites from Illinois USA; Hunan, China and the...the Okorusu mine in Namibia. The conditions were just right for an auction and bids came from all around...polarity magnetic field (i.e. the north pole was the south pole!), probably about 55 million years ago. Peter...field trip and Peter Hay, who had recently been to County Antrim in Northern Ireland, brought zeolites from |
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| the sole Wholesale Agent to the Trade outside the County of London. 1909. Price FO'Ur Sliillings. •••...Blencowe Oo11sols Tin Mine 138 .... ••• • •• " 13. Greisen Bands in Bunny Mine • • • • •• 140-2 •• •...17. Duke of Cornwall Mine ••• 143 • •• ••• ••• ••• ••• ••• ,, 18. East Crinnis Mine • • • 145 ••• ••• •••...• " 20. Great Beam Mine ••• 147 ••• ••• ••• ••• ••• ••• •• • ,, 21. Lanescot Mine ••• • •• • •• · 150-1...••• ,t 22-26. Pembroke Mine •.• 152 ••• • •• ••• ••• ••• ,, 27, 28. Polgooth Mine . " . • •• 153 ' ••• |
